General Science - Physics MCQs
Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations.
71. What is the time taken by two consecutive compressions or rarefactions to cross a fixed point in a sound wave known as?
72. What is the measure of the response of the ear to the sound known as?
73. In which of the following mediums will sound travel with greater speed at 0° C?
74. Which of the following is correct about the speed of the sound, at same temperature?
75. What is the S.I. unit of absorptive power?
76. What is the S.I unit of specific heat capacity?
77. What is the triple point of water?
78. What is the S.I unit of Stefan-Boltzmann constant?
79. Which of the following is true about a cyclic process?
80. What is the S.I. unit of power of a lens?